Intraday price change for GXP is about $0.35 from the day's low to the day's high.
The previous business day's price range from the open of $31.17 is expected to range from a low of $30.99 to a high of $31.34.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $31.18 and $31.16 assuming average price movements.
Note that events including news, GXP earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.